单项选择题
Which command will display the active configuration?（）
A. user@router> show configuration B. user@router# show C. user@router> show system configuration D. user@router> show system commit
多项选择题 Which two statements are true about the configure exclusive command?（）
多项选择题 Which two commands would you use to discard a candidate configuration?（）
单项选择题 What must you type to enter operational mode from the root@% command prompt?（）
